<template>
  <view style="padding-top: 100rpx;">
    <view class="text-area">
      <text>输入值: </text>
      <input type="text" v-model="title" style="color: red;" />
    </view>
    <view class="text-area">
      <text>回传值: </text>
      <input type="text" :value="callBackValue" style="color: cornflowerblue;" />
    </view>
    <comA :intent="title"></comA>
    <comB @callBackFun="callBack"></comB>
  </view>
</template>

<script>
import comA from '../../components/comA.vue'
import comB from '../../components/comB.vue'

export default {
  components: { comA, comB },
  data() {
    return {
      title: '',
      callBackValue: ''
    }
  },
  methods: {
    callBack(msg) {
      console.warn('---index---callBack--->' + msg); 
      this.callBackValue = msg; 
    }
  }
}
</script>

<style>
.text-area {
  margin: 20rpx;
}
</style>